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The Rubicon Express Super-Flex Short Arms are the best short arm suspension systems for your JK Wranglers. They retain the factory mounting locations and will improve your Jeep’s ride quality. These short arm suspension systems feature the brand new Rubicon Express adjustable upper control arms, fixed lower control arms Super-Flex™ spherical ball joints, replacement lift springs extended bump stops and longer front stainless steel brake lines. The 3.5 inch suspensions will allow the use of 35 inch tires while the 4.5 inch suspensions will allow 37 inch tires. All Rubicon Express Super-Flex Short Arms are backed by an Advantage Lifetime Warranty and offered here at very low prices.